package day02;

public class DoubleDemo {
    public static void main(String[] args) {

        double a = 3.14;
        double b = 3.14F;

        double c=3.0,d=2.9;
        System.out.println(c-d);
        double e=6.0,f=4.9;
        System.out.println(e-f);
        double g=6.0,h=1.9;
        System.out.println(g-h);



    }
}
